In a heat exchanger, the rate of heat transfer from the hot fluid to the cold fluid___________________?

Related Mcqs:

Maximum heat transfer rate is obtained in ______________ flow?

A. Laminar B. Turbulent C. Creeping D. Transition region...

In case of heat transfer by conduction in a hollow cylinder, ______________ mean area is used to calculate the heat transfer rate?

A. Geometric B. Arithmetic C. Logarithmic D. Either A., B. or C....

In case of _______________ boiling, the liquid temperature is below the saturation temperature and the boiling takes place in the vicinity of the heated surface?

A. Nucleate B. Local C. Pool D. Saturated...

The dimensionless group in mass transfer that is equivalent to Prandtl number in heat transfer is_________________?

A. Nusselt number B. Sherwood number C. Schmidt number D. Stanton number...

With increase in temperature, the thermal conductivity of a gas ___________________?

A. Increases B. Decreases C. Remain same D. May increase or decrease depending on the type of gas...